// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_SHELL_DIALOGS_ANDROID_SELECT_FILE_DIALOG_ANDROID_H_
#define UI_SHELL_DIALOGS_ANDROID_SELECT_FILE_DIALOG_ANDROID_H_

#include <jni.h>

#include "base/android/scoped_java_ref.h"
#include "base/files/file_path.h"
#include "base/macros.h"
#include "ui/shell_dialogs/select_file_dialog.h"

namespace ui {

class SelectFileDialogImpl : public SelectFileDialog {
public:
    static SelectFileDialogImpl* Create(Listener* listener,
        SelectFilePolicy* policy);

    void OnFileSelected(JNIEnv* env,
        const base::android::JavaParamRef<jobject>& java_object,
        const base::android::JavaParamRef<jstring>& filepath,
        const base::android::JavaParamRef<jstring>& display_name);

    void OnMultipleFilesSelected(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& java_object,
        const base::android::JavaParamRef<jobjectArray>& filepaths,
        const base::android::JavaParamRef<jobjectArray>& display_names);

    void OnFileNotSelected(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& java_object);

    // From SelectFileDialog
    bool IsRunning(gfx::NativeWindow) const override;
    void ListenerDestroyed() override;

    // Called when it is time to display the file picker.
    // params is expected to be a vector<string16> with accept_types first and
    // the capture value as the last element of the vector.
    void SelectFileImpl(SelectFileDialog::Type type,
        const base::string16& title,
        const base::FilePath& default_path,
        const SelectFileDialog::FileTypeInfo* file_types,
        int file_type_index,
        const std::string& default_extension,
        gfx::NativeWindow owning_window,
        void* params) override;

    static bool RegisterSelectFileDialog(JNIEnv* env);

protected:
    ~SelectFileDialogImpl() override;

private:
    SelectFileDialogImpl(Listener* listener, SelectFilePolicy* policy);

    bool HasMultipleFileTypeChoicesImpl() override;

    base::android::ScopedJavaGlobalRef<jobject> java_object_;

    DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl);
};

SelectFileDialog* CreateAndroidSelectFileDialog(
    SelectFileDialog::Listener* listener,
    SelectFilePolicy* policy);

} // namespace ui

#endif // UI_SHELL_DIALOGS_ANDROID_SELECT_FILE_DIALOG_ANDROID_H_
